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Pull in r200376 from upstream llvm trunk (by Venkatraman Govindaraju):
[Sparc] Use %r_disp32 for pc_rel entries in FDE as well.
This makes MCAsmInfo::getExprForFDESymbol() a virtual function and overrides it in SparcMCAsmInfo.
Introduced here: http://svnweb.freebsd.org/changeset/base/262261
Index: lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.h
===================================================================
--- lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.h
+++ lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.h
@@ -26,6 +26,10 @@ class SparcELFMCAsmInfo : public MCAsmInfoELF {
virtual const MCExpr* getExprForPersonalitySymbol(const MCSymbol *Sym,
unsigned Encoding,
MCStreamer &Streamer) const;
+ virtual const MCExpr* getExprForFDESymbol(const MCSymbol *Sym,
+ unsigned Encoding,
+ MCStreamer &Streamer) const;
+
};
} // namespace llvm
Index: lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
===================================================================
--- lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
+++ lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
@@ -58,3 +58,15 @@ SparcELFMCAsmInfo::getExprForPersonalitySymbol(con
return MCAsmInfo::getExprForPersonalitySymbol(Sym, Encoding, Streamer);
}
+
+const MCExpr*
+SparcELFMCAsmInfo::getExprForFDESymbol(const MCSymbol *Sym,
+ unsigned Encoding,
+ MCStreamer &Streamer) const {
+ if (Encoding & dwarf::DW_EH_PE_pcrel) {
+ MCContext &Ctx = Streamer.getContext();
+ return SparcMCExpr::Create(SparcMCExpr::VK_Sparc_R_DISP32,
+ MCSymbolRefExpr::Create(Sym, Ctx), Ctx);
+ }
+ return MCAsmInfo::getExprForFDESymbol(Sym, Encoding, Streamer);
+}
Index: test/CodeGen/SPARC/exception.ll
===================================================================
--- test/CodeGen/SPARC/exception.ll
+++ test/CodeGen/SPARC/exception.ll
@@ -57,6 +57,7 @@
; V8PIC_NOCFI: .section .eh_frame
; V8PIC_NOCFI-NOT: .section
; V8PIC_NOCFI: .word %r_disp32(DW.ref.__gxx_personality_v0)
+; V8PIC_NOCFI: .word %r_disp32(.Ltmp{{.+}}) ! FDE initial location
; V9ABS-LABEL: main:
@@ -94,6 +95,7 @@
; V9PIC_NOCFI: .section .eh_frame
; V9PIC_NOCFI-NOT: .section
; V9PIC_NOCFI: .word %r_disp32(DW.ref.__gxx_personality_v0)
+; V9PIC_NOCFI: .word %r_disp32(.Ltmp{{.+}}) ! FDE initial location
define i32 @main(i32 %argc, i8** nocapture readnone %argv) unnamed_addr #0 {
entry:
Index: include/llvm/MC/MCAsmInfo.h
===================================================================
--- include/llvm/MC/MCAsmInfo.h
+++ include/llvm/MC/MCAsmInfo.h
@@ -371,7 +371,7 @@ namespace llvm {
unsigned Encoding,
MCStreamer &Streamer) const;
- const MCExpr *
+ virtual const MCExpr *
getExprForFDESymbol(const MCSymbol *Sym,
unsigned Encoding,
MCStreamer &Streamer) const;
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